OK, so, if you get to any steep hills you walk it up? And, going down hill, you use your legs to keep the bike from going to fast?

Do they have ones with a rear drum that disengages to coast and also acts as a brake on the rear wheel like the old bikes did, like the Schwinn I grew up with, or is that considered cheating?

BTW.. my 15 speed commuter makes no noise at all either...except when actually shifting. But I'll have to try one of those out.. not sure I would want to have no brakes though.. that seems a bit suicidal.